[PATCH] i3c: dw: Fix IBI intr signal programming

[Aniket .]

Hi Jeremy,

> This is more for handling IP configuration options we may see in future.
> For example, I believe support for target/secondary mode is entirely
> optional too.

I was hoping to add support for target/secondary master, we might have
different drivers instead, something like what's done for i2c-dw drivers. But
that's a thought for another day.

> I think keeping the mask value locally would be best. this means we
>
>  1) cannot get the counter and mask out of sync; and
>  2) don't need to do a read-modify-write on a register that is only
>     updated by the driver.

Sure, let me make the patch.

Thanks,
Aniket